1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Hash function and HMAC support for StarFive driver
4 *
5 * Copyright (c) 2022 StarFive Technology
6 *
7 */
8
9 #include <crypto/engine.h>
10 #include <crypto/internal/hash.h>
11 #include <crypto/scatterwalk.h>
12 #include "jh7110-cryp.h"
13 #include <linux/amba/pl080.h>
14 #include <linux/clk.h>
15 #include <linux/dma-direct.h>
16 #include <linux/interrupt.h>
17 #include <linux/iopoll.h>
18 #include <linux/kernel.h>
19 #include <linux/module.h>
20 #include <linux/platform_device.h>
21 #include <linux/pm_runtime.h>
22 #include <linux/reset.h>
23
24 #define STARFIVE_HASH_REGS_OFFSET 0x300
25 #define STARFIVE_HASH_SHACSR (STARFIVE_HASH_REGS_OFFSET + 0x0)
26 #define STARFIVE_HASH_SHAWDR (STARFIVE_HASH_REGS_OFFSET + 0x4)
27 #define STARFIVE_HASH_SHARDR (STARFIVE_HASH_REGS_OFFSET + 0x8)
28 #define STARFIVE_HASH_SHAWSR (STARFIVE_HASH_REGS_OFFSET + 0xC)
29 #define STARFIVE_HASH_SHAWLEN3 (STARFIVE_HASH_REGS_OFFSET + 0x10)
30 #define STARFIVE_HASH_SHAWLEN2 (STARFIVE_HASH_REGS_OFFSET + 0x14)
31 #define STARFIVE_HASH_SHAWLEN1 (STARFIVE_HASH_REGS_OFFSET + 0x18)
32 #define STARFIVE_HASH_SHAWLEN0 (STARFIVE_HASH_REGS_OFFSET + 0x1C)
33 #define STARFIVE_HASH_SHAWKR (STARFIVE_HASH_REGS_OFFSET + 0x20)
34 #define STARFIVE_HASH_SHAWKLEN (STARFIVE_HASH_REGS_OFFSET + 0x24)
35
36 #define STARFIVE_HASH_BUFLEN SHA512_BLOCK_SIZE
37 #define STARFIVE_HASH_RESET 0x2
38
starfive_hash_wait_busy(struct starfive_cryp_dev * cryp)39 static inline int starfive_hash_wait_busy(struct starfive_cryp_dev *cryp)
40 {
41 u32 status;
42
43 return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status,
44 !(status & STARFIVE_HASH_BUSY), 10, 100000);
45 }
46
starfive_hash_wait_hmac_done(struct starfive_cryp_dev * cryp)47 static inline int starfive_hash_wait_hmac_done(struct starfive_cryp_dev *cryp)
48 {
49 u32 status;
50
51 return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status,
52 (status & STARFIVE_HASH_HMAC_DONE), 10, 100000);
53 }
54
starfive_hash_wait_key_done(struct starfive_cryp_ctx * ctx)55 static inline int starfive_hash_wait_key_done(struct starfive_cryp_ctx *ctx)
56 {
57 struct starfive_cryp_dev *cryp = ctx->cryp;
58 u32 status;
59
60 return readl_relaxed_poll_timeout(cryp->base + STARFIVE_HASH_SHACSR, status,
61 (status & STARFIVE_HASH_KEY_DONE), 10, 100000);
62 }
63
starfive_hash_hmac_key(struct starfive_cryp_ctx * ctx)64 static int starfive_hash_hmac_key(struct starfive_cryp_ctx *ctx)
65 {
66 struct starfive_cryp_request_ctx *rctx = ctx->rctx;
67 struct starfive_cryp_dev *cryp = ctx->cryp;
68 int klen = ctx->keylen, loop;
69 unsigned int *key = (unsigned int *)ctx->key;
70 unsigned char *cl;
71
72 writel(ctx->keylen, cryp->base + STARFIVE_HASH_SHAWKLEN);
73
74 rctx->csr.hash.hmac = 1;
75 rctx->csr.hash.key_flag = 1;
76
77 writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR);
78
79 for (loop = 0; loop < klen / sizeof(unsigned int); loop++, key++)
80 writel(*key, cryp->base + STARFIVE_HASH_SHAWKR);
81
82 if (klen & 0x3) {
83 cl = (unsigned char *)key;
84 for (loop = 0; loop < (klen & 0x3); loop++, cl++)
85 writeb(*cl, cryp->base + STARFIVE_HASH_SHAWKR);
86 }
87
88 if (starfive_hash_wait_key_done(ctx))
89 return dev_err_probe(cryp->dev, -ETIMEDOUT, "starfive_hash_wait_key_done error\n");
90
91 return 0;
92 }
93
starfive_hash_start(struct starfive_cryp_dev * cryp)94 static void starfive_hash_start(struct starfive_cryp_dev *cryp)
95 {
96 union starfive_hash_csr csr;
97
98 csr.v = readl(cryp->base + STARFIVE_HASH_SHACSR);
99 csr.firstb = 0;
100 csr.final = 1;
101 writel(csr.v, cryp->base + STARFIVE_HASH_SHACSR);
102 }
103
starfive_hash_dma_callback(void * param)104 static void starfive_hash_dma_callback(void *param)
105 {
106 struct starfive_cryp_dev *cryp = param;
107
108 complete(&cryp->dma_done);
109 }
110
starfive_hash_dma_init(struct starfive_cryp_dev * cryp)111 static void starfive_hash_dma_init(struct starfive_cryp_dev *cryp)
112 {
113 cryp->cfg_in.src_addr_width = DMA_SLAVE_BUSWIDTH_16_BYTES;
114 cryp->cfg_in.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
115 cryp->cfg_in.src_maxburst = cryp->dma_maxburst;
116 cryp->cfg_in.dst_maxburst = cryp->dma_maxburst;
117 cryp->cfg_in.dst_addr = cryp->phys_base + STARFIVE_ALG_FIFO_OFFSET;
118
119 dmaengine_slave_config(cryp->tx, &cryp->cfg_in);
120
121 init_completion(&cryp->dma_done);
122 }
123
starfive_hash_dma_xfer(struct starfive_cryp_dev * cryp,struct scatterlist * sg)124 static int starfive_hash_dma_xfer(struct starfive_cryp_dev *cryp,
125 struct scatterlist *sg)
126 {
127 struct dma_async_tx_descriptor *in_desc;
128 union starfive_alg_cr alg_cr;
129 int ret = 0;
130
131 alg_cr.v = 0;
132 alg_cr.start = 1;
133 alg_cr.hash_dma_en = 1;
134 writel(alg_cr.v, cryp->base + STARFIVE_ALG_CR_OFFSET);
135
136 writel(sg_dma_len(sg), cryp->base + STARFIVE_DMA_IN_LEN_OFFSET);
137 sg_dma_len(sg) = ALIGN(sg_dma_len(sg), sizeof(u32));
138
139 in_desc = dmaengine_prep_slave_sg(cryp->tx, sg, 1, DMA_MEM_TO_DEV,
140 DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
141 if (!in_desc) {
142 ret = -EINVAL;
143 goto end;
144 }
145
146 reinit_completion(&cryp->dma_done);
147 in_desc->callback = starfive_hash_dma_callback;
148 in_desc->callback_param = cryp;
149
150 dmaengine_submit(in_desc);
151 dma_async_issue_pending(cryp->tx);
152
153 if (!wait_for_completion_timeout(&cryp->dma_done,
154 msecs_to_jiffies(1000)))
155 ret = -ETIMEDOUT;
156
157 end:
158 alg_cr.v = 0;
159 alg_cr.clear = 1;
160 writel(alg_cr.v, cryp->base + STARFIVE_ALG_CR_OFFSET);
161
162 return ret;
163 }
164
starfive_hash_copy_hash(struct ahash_request * req)165 static int starfive_hash_copy_hash(struct ahash_request *req)
166 {
167 struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
168 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
169 int count, *data;
170 int mlen;
171
172 if (!req->result)
173 return 0;
174
175 mlen = rctx->digsize / sizeof(u32);
176 data = (u32 *)req->result;
177
178 for (count = 0; count < mlen; count++)
179 put_unaligned(readl(ctx->cryp->base + STARFIVE_HASH_SHARDR),
180 &data[count]);
181
182 return 0;
183 }
184
starfive_hash_done_task(struct starfive_cryp_dev * cryp)185 static void starfive_hash_done_task(struct starfive_cryp_dev *cryp)
186 {
187 int err = cryp->err;
188
189 if (!err)
190 err = starfive_hash_copy_hash(cryp->req.hreq);
191
192 crypto_finalize_hash_request(cryp->engine, cryp->req.hreq, err);
193 }
194
starfive_hash_one_request(struct crypto_engine * engine,void * areq)195 static int starfive_hash_one_request(struct crypto_engine *engine, void *areq)
196 {
197 struct ahash_request *req = container_of(areq, struct ahash_request,
198 base);
199 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(crypto_ahash_reqtfm(req));
200 struct starfive_cryp_request_ctx *rctx = ctx->rctx;
201 struct starfive_cryp_dev *cryp = ctx->cryp;
202 struct scatterlist *tsg;
203 int ret, src_nents, i;
204
205 writel(STARFIVE_HASH_RESET, cryp->base + STARFIVE_HASH_SHACSR);
206
207 if (starfive_hash_wait_busy(cryp))
208 return dev_err_probe(cryp->dev, -ETIMEDOUT, "Error resetting hardware\n");
209
210 rctx->csr.hash.v = 0;
211 rctx->csr.hash.mode = ctx->hash_mode;
212
213 if (ctx->is_hmac) {
214 ret = starfive_hash_hmac_key(ctx);
215 if (ret)
216 return ret;
217 } else {
218 rctx->csr.hash.start = 1;
219 rctx->csr.hash.firstb = 1;
220 writel(rctx->csr.hash.v, cryp->base + STARFIVE_HASH_SHACSR);
221 }
222
223 /* No input message, get digest and end. */
224 if (!rctx->total)
225 goto hash_start;
226
227 starfive_hash_dma_init(cryp);
228
229 for_each_sg(rctx->in_sg, tsg, rctx->in_sg_len, i) {
230 src_nents = dma_map_sg(cryp->dev, tsg, 1, DMA_TO_DEVICE);
231 if (src_nents == 0)
232 return -ENOMEM;
233
234 ret = starfive_hash_dma_xfer(cryp, tsg);
235 dma_unmap_sg(cryp->dev, tsg, 1, DMA_TO_DEVICE);
236 if (ret)
237 return ret;
238 }
239
240 hash_start:
241 starfive_hash_start(cryp);
242
243 if (starfive_hash_wait_busy(cryp))
244 return dev_err_probe(cryp->dev, -ETIMEDOUT, "Error generating digest\n");
245
246 if (ctx->is_hmac)
247 cryp->err = starfive_hash_wait_hmac_done(cryp);
248
249 starfive_hash_done_task(cryp);
250
251 return 0;
252 }
253
starfive_hash_init(struct ahash_request * req)254 static int starfive_hash_init(struct ahash_request *req)
255 {
256 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
257 struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
258 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
259
260 ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
261 ahash_request_set_callback(&rctx->ahash_fbk_req,
262 req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
263 req->base.complete, req->base.data);
264
265 ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src,
266 req->result, req->nbytes);
267
268 return crypto_ahash_init(&rctx->ahash_fbk_req);
269 }
270
starfive_hash_update(struct ahash_request * req)271 static int starfive_hash_update(struct ahash_request *req)
272 {
273 struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
274 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
275 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
276
277 ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
278 ahash_request_set_callback(&rctx->ahash_fbk_req,
279 req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
280 req->base.complete, req->base.data);
281
282 ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src,
283 req->result, req->nbytes);
284
285 return crypto_ahash_update(&rctx->ahash_fbk_req);
286 }
287
starfive_hash_final(struct ahash_request * req)288 static int starfive_hash_final(struct ahash_request *req)
289 {
290 struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
291 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
292 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
293
294 ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
295 ahash_request_set_callback(&rctx->ahash_fbk_req,
296 req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
297 req->base.complete, req->base.data);
298
299 ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src,
300 req->result, req->nbytes);
301
302 return crypto_ahash_final(&rctx->ahash_fbk_req);
303 }
304
starfive_hash_finup(struct ahash_request * req)305 static int starfive_hash_finup(struct ahash_request *req)
306 {
307 struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
308 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
309 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
310
311 ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
312 ahash_request_set_callback(&rctx->ahash_fbk_req,
313 req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
314 req->base.complete, req->base.data);
315
316 ahash_request_set_crypt(&rctx->ahash_fbk_req, req->src,
317 req->result, req->nbytes);
318
319 return crypto_ahash_finup(&rctx->ahash_fbk_req);
320 }
321
starfive_hash_digest(struct ahash_request * req)322 static int starfive_hash_digest(struct ahash_request *req)
323 {
324 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
325 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
326 struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
327 struct starfive_cryp_dev *cryp = ctx->cryp;
328 int sg_len;
329
330 memset(rctx, 0, sizeof(struct starfive_cryp_request_ctx));
331
332 cryp->req.hreq = req;
333 rctx->total = req->nbytes;
334 rctx->in_sg = req->src;
335 rctx->blksize = crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
336 rctx->digsize = crypto_ahash_digestsize(tfm);
337 sg_len = sg_nents_for_len(rctx->in_sg, rctx->total);
338 if (sg_len < 0)
339 return sg_len;
340 rctx->in_sg_len = sg_len;
341 ctx->rctx = rctx;
342
343 return crypto_transfer_hash_request_to_engine(cryp->engine, req);
344 }
345
starfive_hash_export(struct ahash_request * req,void * out)346 static int starfive_hash_export(struct ahash_request *req, void *out)
347 {
348 struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
349 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
350 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
351
352 ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
353 ahash_request_set_callback(&rctx->ahash_fbk_req,
354 req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
355 req->base.complete, req->base.data);
356
357 return crypto_ahash_export(&rctx->ahash_fbk_req, out);
358 }
359
starfive_hash_import(struct ahash_request * req,const void * in)360 static int starfive_hash_import(struct ahash_request *req, const void *in)
361 {
362 struct starfive_cryp_request_ctx *rctx = ahash_request_ctx(req);
363 struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
364 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(tfm);
365
366 ahash_request_set_tfm(&rctx->ahash_fbk_req, ctx->ahash_fbk);
367 ahash_request_set_callback(&rctx->ahash_fbk_req,
368 req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP,
369 req->base.complete, req->base.data);
370
371 return crypto_ahash_import(&rctx->ahash_fbk_req, in);
372 }
373
starfive_hash_init_tfm(struct crypto_ahash * hash,const char * alg_name,unsigned int mode,bool is_hmac)374 static int starfive_hash_init_tfm(struct crypto_ahash *hash,
375 const char *alg_name,
376 unsigned int mode,
377 bool is_hmac)
378 {
379 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash);
380
381 ctx->cryp = starfive_cryp_find_dev(ctx);
382
383 if (!ctx->cryp)
384 return -ENODEV;
385
386 ctx->ahash_fbk = crypto_alloc_ahash(alg_name, 0,
387 CRYPTO_ALG_NEED_FALLBACK);
388
389 if (IS_ERR(ctx->ahash_fbk))
390 return dev_err_probe(ctx->cryp->dev, PTR_ERR(ctx->ahash_fbk),
391 "starfive_hash: Could not load fallback driver.\n");
392
393 crypto_ahash_set_statesize(hash, crypto_ahash_statesize(ctx->ahash_fbk));
394 crypto_ahash_set_reqsize(hash, sizeof(struct starfive_cryp_request_ctx) +
395 crypto_ahash_reqsize(ctx->ahash_fbk));
396
397 ctx->is_hmac = is_hmac;
398 ctx->hash_mode = mode;
399
400 return 0;
401 }
402
starfive_hash_exit_tfm(struct crypto_ahash * hash)403 static void starfive_hash_exit_tfm(struct crypto_ahash *hash)
404 {
405 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash);
406
407 crypto_free_ahash(ctx->ahash_fbk);
408 }
409
starfive_hash_long_setkey(struct starfive_cryp_ctx * ctx,const u8 * key,unsigned int keylen,const char * alg_name)410 static int starfive_hash_long_setkey(struct starfive_cryp_ctx *ctx,
411 const u8 *key, unsigned int keylen,
412 const char *alg_name)
413 {
414 struct crypto_wait wait;
415 struct ahash_request *req;
416 struct scatterlist sg;
417 struct crypto_ahash *ahash_tfm;
418 u8 *buf;
419 int ret;
420
421 ahash_tfm = crypto_alloc_ahash(alg_name, 0, 0);
422 if (IS_ERR(ahash_tfm))
423 return PTR_ERR(ahash_tfm);
424
425 req = ahash_request_alloc(ahash_tfm, GFP_KERNEL);
426 if (!req) {
427 ret = -ENOMEM;
428 goto err_free_ahash;
429 }
430
431 crypto_init_wait(&wait);
432 ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
433 crypto_req_done, &wait);
434 crypto_ahash_clear_flags(ahash_tfm, ~0);
435
436 buf = kzalloc(keylen + STARFIVE_HASH_BUFLEN, GFP_KERNEL);
437 if (!buf) {
438 ret = -ENOMEM;
439 goto err_free_req;
440 }
441
442 memcpy(buf, key, keylen);
443 sg_init_one(&sg, buf, keylen);
444 ahash_request_set_crypt(req, &sg, ctx->key, keylen);
445
446 ret = crypto_wait_req(crypto_ahash_digest(req), &wait);
447
448 kfree(buf);
449 err_free_req:
450 ahash_request_free(req);
451 err_free_ahash:
452 crypto_free_ahash(ahash_tfm);
453 return ret;
454 }
455
starfive_hash_setkey(struct crypto_ahash * hash,const u8 * key,unsigned int keylen)456 static int starfive_hash_setkey(struct crypto_ahash *hash,
457 const u8 *key, unsigned int keylen)
458 {
459 struct starfive_cryp_ctx *ctx = crypto_ahash_ctx(hash);
460 unsigned int digestsize = crypto_ahash_digestsize(hash);
461 unsigned int blocksize = crypto_ahash_blocksize(hash);
462 const char *alg_name;
463
464 crypto_ahash_setkey(ctx->ahash_fbk, key, keylen);
465
466 if (keylen <= blocksize) {
467 memcpy(ctx->key, key, keylen);
468 ctx->keylen = keylen;
469 return 0;
470 }
471
472 ctx->keylen = digestsize;
473
474 switch (digestsize) {
475 case SHA224_DIGEST_SIZE:
476 alg_name = "sha224-starfive";
477 break;
478 case SHA256_DIGEST_SIZE:
479 if (ctx->hash_mode == STARFIVE_HASH_SM3)
480 alg_name = "sm3-starfive";
481 else
482 alg_name = "sha256-starfive";
483 break;
484 case SHA384_DIGEST_SIZE:
485 alg_name = "sha384-starfive";
486 break;
487 case SHA512_DIGEST_SIZE:
488 alg_name = "sha512-starfive";
489 break;
490 default:
491 return -EINVAL;
492 }
493
494 return starfive_hash_long_setkey(ctx, key, keylen, alg_name);
495 }
496
starfive_sha224_init_tfm(struct crypto_ahash * hash)497 static int starfive_sha224_init_tfm(struct crypto_ahash *hash)
498 {
499 return starfive_hash_init_tfm(hash, "sha224-lib",
500 STARFIVE_HASH_SHA224, 0);
501 }
502
starfive_sha256_init_tfm(struct crypto_ahash * hash)503 static int starfive_sha256_init_tfm(struct crypto_ahash *hash)
504 {
505 return starfive_hash_init_tfm(hash, "sha256-lib",
506 STARFIVE_HASH_SHA256, 0);
507 }
508
starfive_sha384_init_tfm(struct crypto_ahash * hash)509 static int starfive_sha384_init_tfm(struct crypto_ahash *hash)
510 {
511 return starfive_hash_init_tfm(hash, "sha384-lib",
512 STARFIVE_HASH_SHA384, 0);
513 }
514
starfive_sha512_init_tfm(struct crypto_ahash * hash)515 static int starfive_sha512_init_tfm(struct crypto_ahash *hash)
516 {
517 return starfive_hash_init_tfm(hash, "sha512-lib",
518 STARFIVE_HASH_SHA512, 0);
519 }
520
starfive_sm3_init_tfm(struct crypto_ahash * hash)521 static int starfive_sm3_init_tfm(struct crypto_ahash *hash)
522 {
523 return starfive_hash_init_tfm(hash, "sm3-generic",
524 STARFIVE_HASH_SM3, 0);
525 }
526
starfive_hmac_sha224_init_tfm(struct crypto_ahash * hash)527 static int starfive_hmac_sha224_init_tfm(struct crypto_ahash *hash)
528 {
529 return starfive_hash_init_tfm(hash, "hmac-sha224-lib",
530 STARFIVE_HASH_SHA224, 1);
531 }
532
starfive_hmac_sha256_init_tfm(struct crypto_ahash * hash)533 static int starfive_hmac_sha256_init_tfm(struct crypto_ahash *hash)
534 {
535 return starfive_hash_init_tfm(hash, "hmac-sha256-lib",
536 STARFIVE_HASH_SHA256, 1);
537 }
538
starfive_hmac_sha384_init_tfm(struct crypto_ahash * hash)539 static int starfive_hmac_sha384_init_tfm(struct crypto_ahash *hash)
540 {
541 return starfive_hash_init_tfm(hash, "hmac-sha384-lib",
542 STARFIVE_HASH_SHA384, 1);
543 }
544
starfive_hmac_sha512_init_tfm(struct crypto_ahash * hash)545 static int starfive_hmac_sha512_init_tfm(struct crypto_ahash *hash)
546 {
547 return starfive_hash_init_tfm(hash, "hmac-sha512-lib",
548 STARFIVE_HASH_SHA512, 1);
549 }
550
starfive_hmac_sm3_init_tfm(struct crypto_ahash * hash)551 static int starfive_hmac_sm3_init_tfm(struct crypto_ahash *hash)
552 {
553 return starfive_hash_init_tfm(hash, "hmac(sm3-generic)",
554 STARFIVE_HASH_SM3, 1);
555 }
556
557 static struct ahash_engine_alg algs_sha2_sm3[] = {
558 {
559 .base.init = starfive_hash_init,
560 .base.update = starfive_hash_update,
561 .base.final = starfive_hash_final,
562 .base.finup = starfive_hash_finup,
563 .base.digest = starfive_hash_digest,
564 .base.export = starfive_hash_export,
565 .base.import = starfive_hash_import,
566 .base.init_tfm = starfive_sha224_init_tfm,
567 .base.exit_tfm = starfive_hash_exit_tfm,
568 .base.halg = {
569 .digestsize = SHA224_DIGEST_SIZE,
570 .statesize = sizeof(struct sha256_state),
571 .base = {
572 .cra_name = "sha224",
573 .cra_driver_name = "sha224-starfive",
574 .cra_priority = 200,
575 .cra_flags = CRYPTO_ALG_ASYNC |
576 CRYPTO_ALG_TYPE_AHASH |
577 CRYPTO_ALG_NEED_FALLBACK,
578 .cra_blocksize = SHA224_BLOCK_SIZE,
579 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
580 .cra_module = THIS_MODULE,
581 }
582 },
583 .op = {
584 .do_one_request = starfive_hash_one_request,
585 },
586 }, {
587 .base.init = starfive_hash_init,
588 .base.update = starfive_hash_update,
589 .base.final = starfive_hash_final,
590 .base.finup = starfive_hash_finup,
591 .base.digest = starfive_hash_digest,
592 .base.export = starfive_hash_export,
593 .base.import = starfive_hash_import,
594 .base.init_tfm = starfive_hmac_sha224_init_tfm,
595 .base.exit_tfm = starfive_hash_exit_tfm,
596 .base.setkey = starfive_hash_setkey,
597 .base.halg = {
598 .digestsize = SHA224_DIGEST_SIZE,
599 .statesize = sizeof(struct sha256_state),
600 .base = {
601 .cra_name = "hmac(sha224)",
602 .cra_driver_name = "sha224-hmac-starfive",
603 .cra_priority = 200,
604 .cra_flags = CRYPTO_ALG_ASYNC |
605 CRYPTO_ALG_TYPE_AHASH |
606 CRYPTO_ALG_NEED_FALLBACK,
607 .cra_blocksize = SHA224_BLOCK_SIZE,
608 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
609 .cra_module = THIS_MODULE,
610 }
611 },
612 .op = {
613 .do_one_request = starfive_hash_one_request,
614 },
615 }, {
616 .base.init = starfive_hash_init,
617 .base.update = starfive_hash_update,
618 .base.final = starfive_hash_final,
619 .base.finup = starfive_hash_finup,
620 .base.digest = starfive_hash_digest,
621 .base.export = starfive_hash_export,
622 .base.import = starfive_hash_import,
623 .base.init_tfm = starfive_sha256_init_tfm,
624 .base.exit_tfm = starfive_hash_exit_tfm,
625 .base.halg = {
626 .digestsize = SHA256_DIGEST_SIZE,
627 .statesize = sizeof(struct sha256_state),
628 .base = {
629 .cra_name = "sha256",
630 .cra_driver_name = "sha256-starfive",
631 .cra_priority = 200,
632 .cra_flags = CRYPTO_ALG_ASYNC |
633 CRYPTO_ALG_TYPE_AHASH |
634 CRYPTO_ALG_NEED_FALLBACK,
635 .cra_blocksize = SHA256_BLOCK_SIZE,
636 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
637 .cra_module = THIS_MODULE,
638 }
639 },
640 .op = {
641 .do_one_request = starfive_hash_one_request,
642 },
643 }, {
644 .base.init = starfive_hash_init,
645 .base.update = starfive_hash_update,
646 .base.final = starfive_hash_final,
647 .base.finup = starfive_hash_finup,
648 .base.digest = starfive_hash_digest,
649 .base.export = starfive_hash_export,
650 .base.import = starfive_hash_import,
651 .base.init_tfm = starfive_hmac_sha256_init_tfm,
652 .base.exit_tfm = starfive_hash_exit_tfm,
653 .base.setkey = starfive_hash_setkey,
654 .base.halg = {
655 .digestsize = SHA256_DIGEST_SIZE,
656 .statesize = sizeof(struct sha256_state),
657 .base = {
658 .cra_name = "hmac(sha256)",
659 .cra_driver_name = "sha256-hmac-starfive",
660 .cra_priority = 200,
661 .cra_flags = CRYPTO_ALG_ASYNC |
662 CRYPTO_ALG_TYPE_AHASH |
663 CRYPTO_ALG_NEED_FALLBACK,
664 .cra_blocksize = SHA256_BLOCK_SIZE,
665 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
666 .cra_module = THIS_MODULE,
667 }
668 },
669 .op = {
670 .do_one_request = starfive_hash_one_request,
671 },
672 }, {
673 .base.init = starfive_hash_init,
674 .base.update = starfive_hash_update,
675 .base.final = starfive_hash_final,
676 .base.finup = starfive_hash_finup,
677 .base.digest = starfive_hash_digest,
678 .base.export = starfive_hash_export,
679 .base.import = starfive_hash_import,
680 .base.init_tfm = starfive_sha384_init_tfm,
681 .base.exit_tfm = starfive_hash_exit_tfm,
682 .base.halg = {
683 .digestsize = SHA384_DIGEST_SIZE,
684 .statesize = sizeof(struct sha512_state),
685 .base = {
686 .cra_name = "sha384",
687 .cra_driver_name = "sha384-starfive",
688 .cra_priority = 200,
689 .cra_flags = CRYPTO_ALG_ASYNC |
690 CRYPTO_ALG_TYPE_AHASH |
691 CRYPTO_ALG_NEED_FALLBACK,
692 .cra_blocksize = SHA384_BLOCK_SIZE,
693 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
694 .cra_module = THIS_MODULE,
695 }
696 },
697 .op = {
698 .do_one_request = starfive_hash_one_request,
699 },
700 }, {
701 .base.init = starfive_hash_init,
702 .base.update = starfive_hash_update,
703 .base.final = starfive_hash_final,
704 .base.finup = starfive_hash_finup,
705 .base.digest = starfive_hash_digest,
706 .base.export = starfive_hash_export,
707 .base.import = starfive_hash_import,
708 .base.init_tfm = starfive_hmac_sha384_init_tfm,
709 .base.exit_tfm = starfive_hash_exit_tfm,
710 .base.setkey = starfive_hash_setkey,
711 .base.halg = {
712 .digestsize = SHA384_DIGEST_SIZE,
713 .statesize = sizeof(struct sha512_state),
714 .base = {
715 .cra_name = "hmac(sha384)",
716 .cra_driver_name = "sha384-hmac-starfive",
717 .cra_priority = 200,
718 .cra_flags = CRYPTO_ALG_ASYNC |
719 CRYPTO_ALG_TYPE_AHASH |
720 CRYPTO_ALG_NEED_FALLBACK,
721 .cra_blocksize = SHA384_BLOCK_SIZE,
722 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
723 .cra_module = THIS_MODULE,
724 }
725 },
726 .op = {
727 .do_one_request = starfive_hash_one_request,
728 },
729 }, {
730 .base.init = starfive_hash_init,
731 .base.update = starfive_hash_update,
732 .base.final = starfive_hash_final,
733 .base.finup = starfive_hash_finup,
734 .base.digest = starfive_hash_digest,
735 .base.export = starfive_hash_export,
736 .base.import = starfive_hash_import,
737 .base.init_tfm = starfive_sha512_init_tfm,
738 .base.exit_tfm = starfive_hash_exit_tfm,
739 .base.halg = {
740 .digestsize = SHA512_DIGEST_SIZE,
741 .statesize = sizeof(struct sha512_state),
742 .base = {
743 .cra_name = "sha512",
744 .cra_driver_name = "sha512-starfive",
745 .cra_priority = 200,
746 .cra_flags = CRYPTO_ALG_ASYNC |
747 CRYPTO_ALG_TYPE_AHASH |
748 CRYPTO_ALG_NEED_FALLBACK,
749 .cra_blocksize = SHA512_BLOCK_SIZE,
750 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
751 .cra_module = THIS_MODULE,
752 }
753 },
754 .op = {
755 .do_one_request = starfive_hash_one_request,
756 },
757 }, {
758 .base.init = starfive_hash_init,
759 .base.update = starfive_hash_update,
760 .base.final = starfive_hash_final,
761 .base.finup = starfive_hash_finup,
762 .base.digest = starfive_hash_digest,
763 .base.export = starfive_hash_export,
764 .base.import = starfive_hash_import,
765 .base.init_tfm = starfive_hmac_sha512_init_tfm,
766 .base.exit_tfm = starfive_hash_exit_tfm,
767 .base.setkey = starfive_hash_setkey,
768 .base.halg = {
769 .digestsize = SHA512_DIGEST_SIZE,
770 .statesize = sizeof(struct sha512_state),
771 .base = {
772 .cra_name = "hmac(sha512)",
773 .cra_driver_name = "sha512-hmac-starfive",
774 .cra_priority = 200,
775 .cra_flags = CRYPTO_ALG_ASYNC |
776 CRYPTO_ALG_TYPE_AHASH |
777 CRYPTO_ALG_NEED_FALLBACK,
778 .cra_blocksize = SHA512_BLOCK_SIZE,
779 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
780 .cra_module = THIS_MODULE,
781 }
782 },
783 .op = {
784 .do_one_request = starfive_hash_one_request,
785 },
786 }, {
787 .base.init = starfive_hash_init,
788 .base.update = starfive_hash_update,
789 .base.final = starfive_hash_final,
790 .base.finup = starfive_hash_finup,
791 .base.digest = starfive_hash_digest,
792 .base.export = starfive_hash_export,
793 .base.import = starfive_hash_import,
794 .base.init_tfm = starfive_sm3_init_tfm,
795 .base.exit_tfm = starfive_hash_exit_tfm,
796 .base.halg = {
797 .digestsize = SM3_DIGEST_SIZE,
798 .statesize = sizeof(struct sm3_state),
799 .base = {
800 .cra_name = "sm3",
801 .cra_driver_name = "sm3-starfive",
802 .cra_priority = 200,
803 .cra_flags = CRYPTO_ALG_ASYNC |
804 CRYPTO_ALG_TYPE_AHASH |
805 CRYPTO_ALG_NEED_FALLBACK,
806 .cra_blocksize = SM3_BLOCK_SIZE,
807 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
808 .cra_module = THIS_MODULE,
809 }
810 },
811 .op = {
812 .do_one_request = starfive_hash_one_request,
813 },
814 }, {
815 .base.init = starfive_hash_init,
816 .base.update = starfive_hash_update,
817 .base.final = starfive_hash_final,
818 .base.finup = starfive_hash_finup,
819 .base.digest = starfive_hash_digest,
820 .base.export = starfive_hash_export,
821 .base.import = starfive_hash_import,
822 .base.init_tfm = starfive_hmac_sm3_init_tfm,
823 .base.exit_tfm = starfive_hash_exit_tfm,
824 .base.setkey = starfive_hash_setkey,
825 .base.halg = {
826 .digestsize = SM3_DIGEST_SIZE,
827 .statesize = sizeof(struct sm3_state),
828 .base = {
829 .cra_name = "hmac(sm3)",
830 .cra_driver_name = "sm3-hmac-starfive",
831 .cra_priority = 200,
832 .cra_flags = CRYPTO_ALG_ASYNC |
833 CRYPTO_ALG_TYPE_AHASH |
834 CRYPTO_ALG_NEED_FALLBACK,
835 .cra_blocksize = SM3_BLOCK_SIZE,
836 .cra_ctxsize = sizeof(struct starfive_cryp_ctx),
837 .cra_module = THIS_MODULE,
838 }
839 },
840 .op = {
841 .do_one_request = starfive_hash_one_request,
842 },
843 },
844 };
845
starfive_hash_register_algs(void)846 int starfive_hash_register_algs(void)
847 {
848 return crypto_engine_register_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3));
849 }
850
starfive_hash_unregister_algs(void)851 void starfive_hash_unregister_algs(void)
852 {
853 crypto_engine_unregister_ahashes(algs_sha2_sm3, ARRAY_SIZE(algs_sha2_sm3));
854 }
855